but it hasn't been all good news for facebook and ceo mark zuckerberg this year. the company's stock has lost nearly half its value since its ipo back in may. zuckerberg talked about that on the "today" show with matt lauer. >> if a company has a billion customers, how can they not be killing making money? >> it depends on your term of killing it. the future is really going to be about mobile. >> zuckerberg said he takes his responsibility as ceo very seriously. he said he's working hard to boost confidence among investors and employees. >>> post-traumatic stress disorder is a growing problem for veterans. now some military wives are taking a new approach. they're going bare to raise awareness for its treatment. julia brook takes a look. >> reporter: bringing attention to more than just her eyes. she pens the pledge on the back of army wife jennifer brown for a photo, to add to the group's facebook page. >> this pledge that you're making for your spouse is just as important as marriage vows. >> reporter: she said she came up with the pledge and battling bare out o